题解 | #printf的返回值#
printf的返回值
https://www.nowcoder.com/practice/a19ef1d8e55c4cc786f11cbf6b2fde61
#include <stdio.h>
int main()
{
//printf函数返回值为int型
int ret=printf("Hello world!");
printf("\n");
printf("%d\n",ret);
return 0;
}
